gro: New frags interface to avoid copying shinfo
It turns out that copying a 16-byte area at ~800k times a second
can be really expensive :) This patch redesigns the frags GRO
interface to avoid copying that area twice.
The two disciples of the frags interface have been converted.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 654e45f..c1f51e4 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -114,9 +114,9 @@
EXPORT_SYMBOL(vlan_gro_receive);
int vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
- unsigned int vlan_tci, struct napi_gro_fraginfo *info)
+ unsigned int vlan_tci)
{
- struct sk_buff *skb = napi_fraginfo_skb(napi, info);
+ struct sk_buff *skb = napi_frags_skb(napi);
if (!skb)
return NET_RX_DROP;